Package org.easymock.internal

Class DefaultClassInstantiator

java.lang.Object

org.easymock.internal.DefaultClassInstantiator

All Implemented Interfaces:

IClassInstantiator

public class DefaultClassInstantiator
extends java.lang.Object
implements IClassInstantiator

Default class instantiator that is pretty limited. It just hope that the mocked class has a public empty constructor.

Author:

Henri Tremblay

Constructor Summary

Constructors

Constructor	Description
DefaultClassInstantiator()

Method Summary

Modifier and Type	Method	Description
java.lang.Object[]	getArgsForTypes(java.lang.Class<?>[] methodTypes)	Get some default instances of provided classes
java.lang.reflect.Constructor<?>	getConstructorToUse(java.lang.Class<?> clazz)	Return the constructor considered the best to use with this class.
java.lang.Object	newInstance(java.lang.Class<?> c)	Try to instantiate a class without using a special constructor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultClassInstantiator

public DefaultClassInstantiator()

Method Detail

newInstance

public java.lang.Object newInstance(java.lang.Class<?> c)
                             throws java.lang.InstantiationException

Try to instantiate a class without using a special constructor. See documentation for the algorithm.

Specified by:

newInstance in interface IClassInstantiator

Parameters:

c - Class to instantiate

Returns:

new instance of clazz

Throws:

java.lang.InstantiationException - when an error occured during instantiation

getConstructorToUse

public java.lang.reflect.Constructor<?> getConstructorToUse(java.lang.Class<?> clazz)

Return the constructor considered the best to use with this class. Algorithm is: No args constructor and then first constructor defined in the class

Parameters:

clazz - Class in which constructor is searched

Returns:

Constructor to use

getArgsForTypes

public java.lang.Object[] getArgsForTypes(java.lang.Class<?>[] methodTypes)
                                   throws java.lang.InstantiationException

Get some default instances of provided classes

Parameters:

methodTypes - Classes to instantiate

Returns:

Instances of methodTypes in order

Throws:

java.lang.InstantiationException - Thrown if the class instantiation fails